ultrasound

English

noun
Definitions
  • (physics) Sound with a frequency greater than the upper limit of human hearing, which is approximately 20 kilohertz.
  • (medicine) The use of ultrasonic waves for diagnostic or therapeutic purposes.

Etymology

Prefix from English sound (produce a sound, examine with the instrument called a sound, or by auscultation percussion).

Origin

English

sound

Gloss

produce a sound, examine with the instrument called a sound, or by auscultation percussion

Timeline

Distribution of cognates by language

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Cognates and derived terms